搜索: a230571-编号:a230571
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A230567型
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| n X 4 0..4个数组X(i,j)的数量,每个元素水平或反对角线地紧邻至少一个元素,值为(X(i、j)+1)mod 5,左上角元素为零。 |
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+10 1
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0, 0, 2, 32, 430, 5130, 58474, 651686, 7178552, 78592384, 857649018, 9342873590, 101681863220, 1106080305618, 12028491947322, 130789127977940, 1421993157520604, 15459828710015176, 168074470099844112
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,3
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链接
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配方奶粉
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经验:a(n)=17*a(n-1)-66*a(n-2)-12*a(n-3)+13*a(n-4)+476*a(n-5)-44*a(n-6)+a(n-7)。
经验公式:2*x^3*(1-x+9*x^2-22*x^3+x^4)/(1-17*x+66*x^2+12*x*^3-13*x^4-476*x*x^5+44*x^6-x^7)-科林·巴克2018年9月22日
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例子
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n=5的一些解决方案:
..0..1..2..3....0..1..2..3....0..1..0..4....0..1..2..3....0..1..2..3
..0..4..4..0....0..3..4..0....2..3..3..2....0..4..4..3....0..0..4..3
..3..0..1..2....4..0..1..2....4..0..1..0....3..0..2..1....1..2..2..1
..4..3..3..4....4..3..3..4....4..0..4..3....1..2..0..2....3..4..0..0
..2..1..0..4....2..1..0..4....4..1..2..1....3..4..3..2....3..2..1..0
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交叉参考
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关键词
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非n
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作者
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状态
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经核准的
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A230568型
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| nX5 0..4数组x(i,j)的数量,每个元素水平或反对角线紧邻至少一个元素,值为(x(i、j)+1)mod 5,左上角元素为零 |
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+10 1
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0, 0, 60, 2582, 91084, 3026090, 98987768, 3223042422, 104788977596, 3405425285562, 110653999572768, 3595375335417134, 116819564313186548, 3795641095132064914, 123325857241647906680, 4007033504236917243974
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,3
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评论
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链接
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配方奶粉
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经验:对于n>10,a(n)=48*a(n-1)-560*a(n-2)+1930*a(n-3)-5031*a(n-4)+56930*a(n-5)-215108*a(n-6)+999076*a(n-7)+178084*a(n-8)-100200*a(n-9)
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例子
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n=3的一些解
..0..1..2..3..4....0..1..0..4..3....0..1..2..3..4....0..1..4..0..1
..0..4..4..0..4....2..3..4..2..1....0..4..1..0..2....2..3..2..2..3
..3..2..1..0..4....4..0..1..0..4....3..2..4..3..2....2..1..0..4..3
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关键词
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非n
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作者
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状态
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经核准的
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A230569型
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| nX6 0..4数组x(i,j)的数量,每个元素水平或反对角线紧邻至少一个值为(x(i),j)+1)mod 5且左上角元素为零的元素 |
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+10 1
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0, 2, 868, 93450, 8554108, 765537650, 67978636208, 6025699711838, 533868483494346, 47294149473702510, 4189543104517883096, 371126778105434772710, 32875849423134323212550, 2912268619993019980829876
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,2
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评论
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链接
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配方奶粉
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68阶的经验重现性(参见上面的链接)
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例子
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n=3的一些解
..0..1..2..4..0..1....0..1..2..3..4..0....0..1..0..4..4..0....0..1..2..3..2..1
..2..3..3..2..2..3....0..1..2..0..1..2....2..3..3..2..1..0....0..1..4..0..0..4
..4..0..1..0..4..3....0..1..0..4..3..2....4..0..1..3..4..3....0..0..1..2..3..2
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关键词
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非n
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作者
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状态
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经核准的
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A230570型
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| nX7 0..4数组x(i,j)的数量,每个元素水平或反对角线地紧挨着至少一个值为(x(i,j)+1)mod 5的元素,左上角元素为零 |
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+10 1
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0, 8, 9088, 2541242, 615786708, 145982711348, 34266592666538, 8031211777081368, 1881178060690936124, 440582798370378649198, 103183388708031654899064, 24165085674494662633279194, 5659341931862650841963240524
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,2
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评论
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链接
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例子
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n=3的一些解
..0..1..2..0..3..4..0....0..1..4..0..1..2..1....0..1..2..3..1..2..3
..0..3..1..2..0..1..0....2..3..0..0..3..0..1....0..1..4..0..3..4..0
..4..0..4..3..2..1..0....2..1..0..4..3..2..1....0..4..4..3..2..1..0
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关键词
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非n
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作者
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状态
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经核准的
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A230572型
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| 3Xn 0..4个数组x(i,j)的数量,每个元素水平或反对角线地紧挨着至少一个值为(x(i,j)+1)mod 5的元素,左上角元素为零 |
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+10 1
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0, 0, 0, 2, 60, 868, 9088, 94014, 952214, 9576232, 95959204, 960268542, 9603585810, 96019822428, 959931905582, 9596196300556, 95928783074542, 958947698251704, 9586040720227362, 95825901621540374, 957913418736911646
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,4个
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评论
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链接
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配方奶粉
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经验:a(n)=22*a(n-1)-162*a(n-2)+409*a(n3)+388*a(4-4)-3015*a(-n5)+2506*a(6-6)-4076*a(7-7)+7976*a 28(n-16)+1546948(n-17)-97073348(n-18)+53638575(n-19)+153498981(n-20)+158024605(n-21)+52294199*a(n-22)-499772093*a(n-23)-921700782*a(-n24)-723232664*a(-25 79654(n-35)-1882609987(n-36)-1099365213(n-37)-478202667(n-38)-112824444*a(n-39)+28205889*a(-n-40)+42838166*a(n-41)+22770714*a
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例子
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n=5的一些解
..0..1..2..3..2....0..1..0..4..3....0..1..2..3..4....0..1..4..0..1
..0..1..4..0..1....2..3..1..2..1....0..4..1..0..4....2..3..2..2..3
..0..4..3..2..1....4..0..1..0..4....3..2..4..3..2....2..1..0..4..3
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关键词
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非n
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作者
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状态
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经核准的
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A230573型
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| 4 X n 0..4数组X(i,j)的数量,每个元素水平或反对角线地紧邻至少一个值为(X(i、j)+1)mod 5且左上角元素为零的元素。 |
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+10 1
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0, 0, 0, 32, 2582, 93450, 2541242, 70699812, 1933505188, 52460448298, 1419932825064, 38407842262522, 1038562970267906, 28078745979449558, 759100680221322298, 20521698685121650464, 554783828758730501850
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,4个
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评论
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链接
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例子
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n=4的一些解
..0..1..2..3....0..1..0..4....0..1..2..3....0..1..0..4....0..1..2..1
..0..4..4..0....2..3..3..2....0..4..4..0....2..3..2..1....2..3..0..4
..3..2..1..3....4..0..1..0....3..2..1..0....4..0..0..4....4..0..3..0
..1..0..4..3....2..3..4..3....1..3..4..3....1..2..3..2....1..2..1..0
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交叉参考
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关键词
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非n
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作者
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状态
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经核准的
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A230574型
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| 5Xn 0..4数组x(i,j)的数量,每个元素水平或反对角线紧邻至少一个值为(x(i),j)+1)mod 5且左上角元素为零的元素 |
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+10 1
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0, 0, 0, 430, 91084, 8554108, 615786708, 45684933988, 3311984113864, 238273036720020, 17116839496736710, 1229140365118078742, 88234310090425774078, 6333286108577217020782, 454581456095147492239504
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,4个
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评论
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链接
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例子
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n=4的一些解
..0..1..2..3....0..1..0..4....0..1..2..1....0..1..2..3....0..1..2..1
..0..1..4..0....2..3..4..0....2..3..4..3....0..1..4..0....2..3..0..0
..0..4..1...0...2..1..2...2...4.0...2...1...0...4...1...0...4...0...0...1...2
..3..2..1..0....0..4..3..2....1..2..0..4....3..2..4..1....4..3..3..4
..1..0..4..3....3..0..1..0....3..4..3..2....1..3..2..1....2..1..0..4
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关键词
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非n
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作者
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状态
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经核准的
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A230566型
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| n X n 0..4个数组X(i,j)的数量,每个元素水平或反对角线紧邻至少一个值为(X(i、j)+1)mod 5且左上角元素为零的元素 |
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+10 0
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0, 0, 0, 32, 91084, 765537650, 34266592666538, 11220386097390449420, 24971760141637764971446132
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,4个
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评论
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链接
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例子
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n=4的一些解
..0..1..2..3…0..1..0..1…0..1..2..1…0..1..2..1…0..1..2..1…0..1..2..1…0..1..2..1
..0..4..4..0....2..3..2..1....2..3..0..4....2..3..2..1....0..3..0..4
..3..2..1..0....4..0..0..4....4..0..3..2....4..0..0..4....4..0..3..0
..1..0..4..3....1..2..3..2....1..2..1..0....1..2..3..2....1..2..1..0
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关键词
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非n
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作者
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状态
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经核准的
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A230575型
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| 6Xn 0..4数组x(i,j)的数量,每个元素水平或反对角线紧邻至少一个值为(x(i),j)+1)mod 5且左上角元素为零的元素 |
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+10 0
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0, 0, 0, 5130, 3026090, 765537650, 145982711348, 28811520101092, 5535691345641282, 1055265972223647474
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,4个
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评论
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链接
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例子
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n=4的一些解
..0..1..2..3....0..1..4..0....0..1..2..1....0..1..2..1....0..1..2..0
..4..0..4..0....2..3..1..2....2..3..4..0....0..3..0..4....2..3..1..2
..1..2..1..0....2..1..3..2....2..2..1..0....4..0..3..2....4..0..3..4
..3..4..4..3....0..4..1..3....3..4..4..3....1..2..4..3....4..3..0..4
..0..1..2..1....4..0..4..3....0..1..2..4....1..0..2..1....2..1..3..0
..0..4..0..4....0..1..2..1....0..1..0..4....4..3..2..1....0..2..1..0
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关键词
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非n
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作者
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状态
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经核准的
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230576英镑
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| 7Xn 0..4数组x(i,j)的数量,每个元素水平或反对角线紧邻至少一个值为(x(i),j)+1)mod 5且左上角元素为零的元素 |
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+10 0
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0, 0, 0, 58474, 98987768, 67978636208, 34266592666538, 17991771309348534, 9155613751914545266, 4619389107348901275470
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,4个
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评论
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链接
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例子
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n=4的一些解
..0..1..0..1....0..1..0..4....0..1..2..1....0..1..0..3....0..1..0..3
..2..3..2..1....2..3..3..2....2..3..0..4....2..3..4..3....2..3..4..2
..4..0..0..4....4..0..1..0....4..0..3..4....2..0..4..2....2..0..3..4
..1..2..3..2....2..3..4..3....1..2..0..1....1..2..3..2....1..2..0..1
..1..0..2..1....0..1..2..4....1..0..2..1....1..4..1..0....3..4..2..3
..4..3..0..4....0..1..0..4....4..3..0..4....0..1..4..1....3..2..4..3
..1..2..3..2....0..2..3..2....2..2..3..2....2..3..2..1....1..0..4..3
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关键词
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非n
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作者
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状态
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经核准的
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搜索在0.010秒内完成
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